Tango.info iCal

• http://tools.ietf.org/html/rfc5545
• DRAFT: http://tools.ietf.org/html/draft-daboo-et-al-icalendar-in-xml-11
• http://en.wikipedia.org/wiki/ICalendar

• 2006-03-13 festivals.tango.info adds basic ical feature, each festival gets an .ics file
• 2010-06-15 upcoming festivals available at http://www.tango.info/festivals.ics

example file for one festival

BEGIN:VCALENDAR
VERSION:2.0
METHOD:PUBLISH
PRODID:-//tango info//tango info cal//EN
BEGIN:VEVENT
UID:tango.info/2010DEBERA
URL:http://www.tango.info/2010DEBERA
DTSTART:20100601T140000Z
DTEND:20100605T040000Z
SUMMARY:Festival Berlin 2010
DESCRIPTION:Festival Berlin 2010\n\nMariana Montes, Sebastián Arce
LOCATION:Berlin, Germany
GEO:52.520895,13.409672
CLASS:PUBLIC
CATEGORIES;LANGUAGE=en:tango,festival
DTSTAMP:20090101T010101
END:VEVENT
END:VCALENDAR

• RELATED-TO;RELTYPE=SIBLING|PARENT|CHILD:tango.info/2010DEBERA

Fields

Seperators

• 3.1.1. List and Field Separators
  • COMMA - Values in a list of values MUST be separated by a COMMA character.
  • SEMICOLON
    • Some property values are defined in terms of multiple parts. These structured property values MUST have their value parts separated by a SEMICOLON character.
    • Some properties allow a list of parameters. Each property parameter in a list of property parameters MUST be separated by a SEMICOLON character.
  • COLON ?

Example:

• ATTENDEE;RSVP=TRUE;ROLE=REQ-PARTICIPANT:mailto:jsmith@example.com
• RDATE;VALUE=DATE:19970304,19970504,19970704,19970904

iCal	Example	Note	Tango.info
DTSTART	DTSTART;TZID=America/New_York:19980101T090000
DTEND
RRULE	RRULE:FREQ=WEEKLY;UNTIL=19971224T000000Z	UNTIL-time in UTC!
TZID	America/New_York		derive from "region"
LANGUAGE	SUMMARY;LANGUAGE=en-US:Company Holiday Party LOCATION;LANGUAGE=en:Germany	language tag per RFC5646
SUMMARY	SUMMARY:Department Party		64 char
ORGANIZER	ORGANIZER;CN=John Smith:mailto:jsmith@example.com ORGANIZER;CN=JohnSmith;DIR="ldap://example.com:6666/o=DC%20Associates,c=US???(cn=John%20Smith)":mailto:jsmith@example.com
CN
CUTYPE	ATTENDEE;CUTYPE=GROUP:mailto:ietf-calsch@example.org	Calendar User Type, seems to identify people and resources; INDIVIDUAL, ,GROUP, ROOM ....
RELATED-TO	RELATED-TO;RELTYPE=SIBLING:19960401-080045-4000F192713@example.com
RELTYPE		PARENT, CHILD, SIBLING
LOCATION	LOCATION:Conference Room - F123\, Bldg. 002 LOCATION;ALTREP="http://xyzcorp.com/conf-rooms/f123.vcf":Conference Room - F123\, Bldg. 002		deberwl001 (TI-location identifier, composed of country, city, venue code and running number: DE BER WL 001)

Validator

• http://severinghaus.org/projects/icv/ - rough check
• http://arnout.engelen.eu/icalendar-validator/urlvalidate - more checks